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sciencebone by bone a tyrannosaurus Rex has been brought back to life for a dinosaur exhibition at Tokyo’s nature and Science Museum The reproduction is made for three hundred and twenty caste replica bones made from a T-Rex discovered in south Dakota in 2002 The animal has been put in a crouching position sustaining a new theory that its small forelimbs did actually have a purpose until now scholars thought these small forelimbs were of no use and that they would have become shorter and shorter until they eventually disappeared through evolution But now we know such a thing did not happen because the dinosaur actually needed these arms in order to stand up Tokyo’s dinosaur exhibition at the museum of Nature and science runs until early october The ancient city of Acre in northern Israel has long been a treasure trove for historians One of the oldest continuously inhabited sites in the country It has revealed a uniquely intact crusader city buried beneath the present day town which was built by the ottoman Turks in the eighteenth century The cities estimated to date back about a thousand years After fifteen years of digging we understand that we have the whole city of the crusader of Akko that means alleys churches public houses private houses everything here is preserved completely beneath the ottoman city Acre which lies off the beaten track became Israel’s first UNESCO World Heritage site a decade ago The city’s now stepping up efforts to develop tourism with tours of the ancient city and plans for a new museum